Sesquipedalian Definition

sĕskwĭ-pĭ-dālyən
noun
A long word.
Webster's New World
Synonyms:
sesquipedalia
adjective
Measuring a foot and a half.
Webster's New World
Very long.
Webster's New World
Using, or characterized by the use of, long words.
Webster's New World
The definition of sesquipedalian is something eighteen inches in length, is very lengthy or uses long words.
An example of sesquipedalian is half a yard of fabric.
An example of sesquipedalian is someone who says they are magnanimous and ebullient.
YourDictionary
Synonyms:
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Other Word Forms of Sesquipedalian

Noun

Singular:
sesquipedalian
Plural:
sesquipedalians

Origin of Sesquipedalian

  • Latin sesquipedalis (literally “a foot and a half long"), from sesqui-, from Latin sesqui (“one and a half"); + pedal, from Latin pedis, form of pes (“foot"), + adjective suffix -alis; + adjective suffix -ian. Cognate to French sesquipédal.

    From Wiktionary

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